CN108773132B - Warm-keeping suede composite fabric and processing technology thereof - Google Patents

Warm-keeping suede composite fabric and processing technology thereof Download PDF

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Publication number
CN108773132B
CN108773132B CN201810478520.1A CN201810478520A CN108773132B CN 108773132 B CN108773132 B CN 108773132B CN 201810478520 A CN201810478520 A CN 201810478520A CN 108773132 B CN108773132 B CN 108773132B
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fabric
machine
fiber
flannelette
adopting
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CN108773132A (en
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高山
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Jiangsu Tianyi Clothing Co ltd
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Jiangsu Tianyi Clothing Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
    • B32B23/10—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/06—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
    • D01F2/08—Composition of the spinning solution or the bath
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C15/00—Calendering, pressing, ironing, glossing or glazing textile fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00—Heating or cooling textile fabrics
    • D06C7/02—Setting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/20—All layers being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0292—Polyurethane fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/04—Cellulosic plastic fibres, e.g. rayon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/728—Hydrophilic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/758—Odour absorbent
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01—Natural vegetable fibres
    • D10B2201/02—Cotton
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Knitting Of Fabric (AREA)

Abstract

The invention discloses a warm-keeping suede composite fabric and a processing technology thereof, wherein the composite fabric comprises a surface layer fabric, a connecting layer and an inner layer flannelette; the surface fabric is spun into yarns by adopting long stapled cotton fibers, and the yarns are woven into the surface fabric by adopting a Maya big round machine; the inner layer flannelette is formed by weaving spandex fibers and polyester fibers into the inner layer flannelette by a three-thread warp knitting machine, and the surface layer fabric, the connecting layer and the inner layer flannelette are compounded into a whole by a hot pressing process or a needling process. The fabric disclosed by the invention has excellent heat preservation performance, is comfortable to preserve heat, strong in wear resistance, good in heat preservation performance and antibacterial performance, and is an excellent raw material for high-grade heat preservation underwear and home textile fabrics.

Description

Warm-keeping suede composite fabric and processing technology thereof
Technical Field
The invention relates to the technical field of textile fabric weaving, in particular to a warm-keeping suede composite fabric and a processing technology thereof.
Background
The composite fabric is a novel material formed by bonding and laminating one or more layers of textile materials, non-woven materials and other functional materials. The composite fabric is made by adopting superfine fiber to carry out specific textile processing and unique dyeing finishing, and then processing the superfine fiber by a 'compounding' device. The composite fabric has many excellent performances, such as delicate, elegant and warm fabric, plump fabric appearance, wind resistance, air permeability and certain waterproof function, and is mainly characterized by good heat preservation and air permeability.
Along with the improvement of living standard and the gradual rise of the requirement of people on the comfort level of the fabric of the clothes, people put forward higher and higher requirements on the fabric of the thermal underwear. The textile fiber is favorable for the attachment of microorganisms due to the porous shape and the chemical structure of the high molecular polymer, provides a nutrition source for the microorganisms, and prevents the product from becoming an important transmission source of diseases in the propagation and transmission process of diseases and germs. Therefore, on the premise of heat preservation and warmth retention, a novel fabric which is skin-friendly and comfortable and has a bacteriostatic effect is needed.
Disclosure of Invention
The invention aims to provide a warm-keeping sanded composite fabric which has excellent warm-keeping performance, is skin-friendly and comfortable, has strong wear resistance and has the performances of removing peculiar smell, inhibiting bacteria and sterilizing, and is an excellent raw material for high-grade warm-keeping underwear and warm-keeping home textile fabric.
In addition, the invention also provides a processing technology of the warm-keeping suede composite fabric.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a warm-keeping suede composite fabric comprises a surface layer fabric, a connecting layer and an inner layer flannelette; the surface fabric is spun into yarns by adopting long stapled cotton fibers, and the yarns are woven into the surface fabric by adopting a Maya big round machine; the inner layer flannelette is formed by weaving a mixed spinning yarn composed of spandex fibers and polyester fibers into the inner layer flannelette by a three-thread warp knitting machine, and the surface fabric, the connecting layer and the inner layer flannelette are compounded into a whole by a hot pressing process or a needling process. The long stapled cotton is Xinjiang long stapled cotton, polyester fiber is first-class product raw materials of speed reduction Shenghong company, spandex fiber adopts Irassian high temperature high elasticity spandex fiber, and the inlayer cotton flannel that adopts above-mentioned polyester fiber and spandex fiber to make has higher elasticity, and it is more comfortable to wear.
According to the preferable technical scheme, the connecting layer is a net layer formed by carding super absorbent fibers and viscose mixed fibers, and the connecting layer is bonded with the surface layer fabric and the inner layer flannelette into a whole through hot pressing under the hot pressing process or the surface layer fabric, the connecting layer and the inner layer flannelette are bonded into a whole through a needling process. The connecting layer is made into a net-shaped structure, so that on one hand, the fabric is endowed with good elasticity, the wearing comfort level is improved, and on the other hand, the net-shaped structure is bonded with good air permeability compared with the traditional adhesive, and the moisture absorption and sweat releasing performance of the fabric is improved.
As a preferable technical scheme, a net layer formed by mixing the super absorbent fibers and the viscose fibers contains a honeysuckle extract, and the addition amount of the honeysuckle extract is 1-2 mg/m2The fabric comprises a fiber web, wherein peculiar smell adsorbents are filled in the meshes and are activated carbon particles or diatomite particles, the peculiar smell adsorbents are embedded in the meshes and are fixed in the fabric through surface layer fabric and inner layer flannelette, and the peculiar smell adsorbents cannot seep out of the fabric or move in the cleaning process. The honeysuckle extract is commercially available, and the honeysuckle aqueous solution and the viscose fiber pulp are mixed and sprayed into viscose fibers, wherein the viscose fibers contain the honeysuckle extract. The flos Lonicerae extract contains chlorogenic acid as main ingredient, and has antibacterial and immunity enhancing effects. Because the net layer structures are added in the surface layer fabric and the inner layer flannelette, the wear resistance of the fabric is improved.
According to a preferable technical scheme, the mass percentage of the super-absorbent fibers and the viscose fibers in the connecting layer is 5-15%: 85-95%, and the gram weight of the fiber web is 15-20 g/m2The aperture of the mesh is 0.01 × 0.01.01 mm, the fiber web is reinforced by a stitch knitting method in a mechanical net forming mode, and the super absorbent fiber is produced by Toyo textile company.
As a preferred technical scheme, the inner layer flannelette comprises the following yarns in percentage by mass: 80-95% of polyester fiber and 5-20% of spandex fiber; the type of the polyester fiber is 144F/75D, and the type of the spandex fiber is 40D.
As a preferable technical scheme, the polyester fiber is a microporous hollow polyester fiber. The microporous hollow polyester fiber has good heat insulation performance.
As an optimal technical scheme, the gram weight of the composite fabric is 200-220 g/m2。
A processing technology of a warm-keeping suede composite fabric comprises the following steps:
(1) processing technology of surface fabric;
a. weaving: the method comprises the steps of spinning long-staple cotton fibers with the length of 38-40 mmd into yarns with the linear density of 9.5-18.4 tex by adopting a compact siro spinning process, and manufacturing the cotton yarns into surface fabrics by adopting a Maya circular knitting machine.
b. Sanding: the cotton fabric is subjected to sanding treatment by adopting a sanding machine, the speed of the machine is 25-30 m/min, the autorotation speed of a sanding roller is 120-150 r/min, and the forward and reverse rotation mode of the sanding roller is three-forward-one-reverse, so that the cotton fabric is subjected to double-sided sanding. Can achieve good sanding effect by adjusting the tension of the fabric. The wool washing process removes the fluff on the cloth surface so as to avoid causing inferior dyeing products.
c. Dyeing: carrying out graft modification on the surface fabric by adopting a cationic modifier, wherein the dosage of the cationic modifier is 1-2% (o.w.f), the bath ratio is 1: 20-30, and 7-10 g/L of caustic soda is added into the fabric at room temperature, heating to 90 ℃, treating for 50-60 min, washing, soaping and drying the fabric; dyeing the fabric at high temperature in an airflow cylinder by adopting natural dye, wherein the dye consumption is 2-4% (o.w.f), the bath ratio is 1: 10-20, the fabric is dyed at 30 ℃, the temperature is raised to 90 ℃ by a program of 2 ℃/min, the temperature is kept for 30min, sodium carbonate is added, the temperature is kept for 30min, then the fabric is taken out, washed by water, soaped and dried.
d. And (3) after finishing: and (3) carrying out post-setting treatment on the dyed and finished grey cloth in a stentering setting machine, wherein the setting temperature is 200-205 ℃, the time is 1-2 min, the width of the cloth outlet is reserved for 2-2.5 cm, and the grey cloth is rolled by a hydraulic rolling car during cropping.
(2) Processing technology of the inner layer flannelette;
a. weaving: weaving 144F/75D polyester fiber and 40D spandex fiber into inner-layer flannelette by using a three-thread warp knitting machine, wherein front combs and middle combs of the inner-layer flannelette adopt the polyester fiber, and bottom yarns adopt the spandex fiber; setting the tension to be 8-10 cN during warping of terylene, and setting the tension of spandex to be 6-8 cN; warping speed of the polyester fiber is 450-500 m/min, and warping speed of the spandex fiber is 160-180 m/min; in the weaving process, the drawing density is set between 17.5 to 19 courses/cm, the width of a grey cloth machine is set between 130 to 145cm, and the width of the grey cloth machine is set between 17 to 20 wales/cm;
b. dyeing: dyeing the woven grey cloth by using a disperse dye, wherein the addition amount of the disperse dye is 1-3% (o.w.f), dyeing is started at 45 ℃, the temperature is increased to 120-140 ℃ by a program of 1 ℃/min, a water flow dye vat is used for dyeing at high temperature, the dyeing time is 60min, the bath ratio is 1: 20-30, and the pH value of a dyeing bath is 5-6; reducing and cleaning at 80-90 ℃, and drying the dyed inner-layer flannelette by using a dryer at the drying temperature of 140-150 ℃.
The dyeing and finishing process flow comprises the following steps: cloth turning → sewing head → singeing → scouring and bleaching → presetting → sanding → dyeing → washing → soft finishing → shaping. Before the pre-setting of the singeing process arrangement, the height of the extending line of the cloth cover protrusion is high, the arrangement is compact, the singeing is easy, but the flatness of the grey cloth needs to be controlled in the singeing process, and the vertical bar mark caused by the uneven singeing is reduced.
The presetting before dyeing can eliminate the crease and the curl on the fabric, so that the cloth cover is smooth, the fabric width can be controlled, and the grey cloth is prevented from generating color flowers in the dyeing process due to uneven spandex shrinkage.
c. And (3) after finishing: carrying out three times of ironing and two times of shearing on the dyed and finished grey cloth by adopting a napping machine and an ironing and shearing machine, wherein the ironing roller temperature is 200-210 ℃, and the cloth feeding speed is 10-12 m/min; the fabric is polished and sheared; and (3) reshaping by using a tentering and shaping machine, wherein the temperature is increased from 160 ℃ to 180-200 ℃ at a speed of 5 ℃/min by adopting a program, the cloth speed is 32-35 m/min, and the tension is set to be 29.5-34N. The inner layer flannelette is polished for three times, and has fine and greasy texture and soft feeling after two-time shearing treatment.
(3) Performing needling treatment;
and (3) needling the surface fabric and the inner layer flannelette together by using a needling machine with a needling density of 200-300 needles/square centimeter.
According to the preferable technical scheme, the sanding treatment of the inner-layer flannelette is double-sided raising treatment, the speed of a napping machine is 14-16 m/min, the clockwise rotation speed is 300-310 r/min, and the anticlockwise rotation speed is 280-300 r/min.
According to the preferable technical scheme, the composite fabric is subjected to needle punching and then is subjected to rolling and softening finishing, the rolling and softening auxiliary agent comprises 1-3% (o.w.f) of a softening agent, 2-2.5% (o.w.f) of a smoothing agent, 3-4% (o.w.f) of a bulking agent, 0.5-2% (o.w.f) of a chrysanthemum extract and 1-3% (o.w.f) of an aloe extract, a two-dipping two-rolling process is adopted during rolling and softening, the soaking temperature is 60-90 ℃, the soaking time is 30-60 min, and the rolling residual rate is 80-90%.
The invention has the advantages and beneficial effects that: a kind of cold-proof compound facing material of milling down uses the long staple cotton to weave into the facing material of the surface layer, use dacron fiber and spandex fiber as the inner layer flannelette, adopt the hot pressing craft or needling process to compound the facing material of the surface layer, tie coat and inner layer flannelette as an organic whole, the yarn of this facing material is fine, the fine hair is dense, the thermal insulation performance is fine; the surface fabric adopts pure cotton fabric and a sanding process, so that the surface fabric has good comfort and warm-keeping effect, and is green and safe due to the adoption of natural fibers; the compact siro spinning process is adopted to spin the long stapled cotton, so that the hairiness of the cotton yarn is obviously reduced, the strength and evenness are improved, the yarn is smooth and compact, and the surface fabric has better pilling resistance; the inner layer flannelette is made of high-temperature and high-elasticity spandex fibers, so that the elasticity and the wearing comfort are higher; the honeysuckle extract is added in the processing of the connecting layer, the honeysuckle has antibacterial performance, the functionality of the garment fabric is improved, the peculiar smell adsorbent is filled in the mesh of the connecting layer, the peculiar smell generated by sweating is effectively adsorbed, the skin is kept cool and clean, the connecting layer adopts super-absorbent fibers to ensure the dryness of the fabric, the moisture absorption and sweat release are facilitated, and the breeding of bacteria is prevented. The composite fabric has good warmth retention property, comfort and wear resistance, has lasting antibacterial property, and has good market prospect when being used as fabrics for underwear and home textiles.
Detailed Description
The following further describes embodiments of the present invention with reference to examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
A warm-keeping suede composite fabric comprises a surface layer fabric, a connecting layer and an inner layer flannelette; the surface fabric is spun into yarns by adopting long stapled cotton fibers, and the yarns are woven into the surface fabric by adopting a Maya big round machine; the inner layer flannelette is formed by weaving spandex fibers and polyester fibers into the inner layer flannelette by a three-thread warp knitting machine, the surface layer fabric, the connecting layer and the inner layer flannelette are compounded into a whole by a hot pressing process, and the connecting layer is an adhesive layer.
The inner layer flannelette comprises the following yarns in percentage by mass: 80% of polyester fiber and 20% of spandex fiber; the type of the polyester fiber is 144F/75D, and the type of the spandex fiber is 40D. The polyester fiber is a microporous hollow polyester fiber.
The processing technology of the composite fabric comprises the following steps:
(1) processing technology of surface fabric;
a. weaving: the method comprises the steps of spinning long-staple cotton fibers with the length of 38-40 mm into yarns with the linear density of 9.5tex by adopting a compact siro spinning process, and manufacturing the cotton yarns into surface fabrics by adopting a Maya circular knitting machine.
b. Sanding: the process flow of the fabric pretreatment is as follows: grey cloth → sewing head → singeing → cold batch → water washing → drying → tentering → sanding → wool washing → sizing.
The cold batch process formula comprises: 30g/L NaOH, 10g/L H2O2The penetrating agent JFC is 2g/L, the scouring agent ZH-11 is 10g/L, the cold pad-batch protective agent FT is 4g/L, and the fabric residual rate is 80%.
The cotton fabric is sanded by a sanding machine, the speed of the machine is 25m/min, the autorotation speed of a sanding roller is 120r/min, and the forward and reverse rotation modes of the sanding roller are three forward and one reverse, so that the cotton fabric is sanded on both sides.
c. Dyeing: carrying out graft modification on the surface fabric of the sized grey cloth by adopting a cationic modifier, wherein the dosage of the cationic modifier Hansi GRE is 1% (o.w.f), the bath ratio is 1:20, and the caustic soda is 7g/L, adding the modifier into the fabric at room temperature, heating to 90 ℃, treating for 50min, washing, soaping and drying the fabric; dyeing the fabric at high temperature in an airflow cylinder by adopting natural dye, wherein the dye consumption is 2% (o.w.f), the bath ratio is 1:10, the fabric is dyed at 30 ℃, the temperature is raised to 90 ℃ by a program of 2 ℃/min, the temperature is kept for 30min, sodium carbonate is added, the fabric is taken out after the temperature is kept for 30min, and the fabric is washed by water, soaped and dried.
d. And (3) after finishing: and (3) carrying out post-setting treatment on the dyed and finished grey cloth in a stentering setting machine, wherein the setting temperature is 200 ℃, the time is 1min, the cloth discharging width is reserved for 2cm, and a hydraulic rolling car is adopted for rolling during the cloth falling.
(2) Processing technology of the inner layer flannelette;
a. weaving: weaving 144F/75D polyester fiber and 40D spandex fiber into inner-layer flannelette by using a three-thread warp knitting machine, wherein front combs and middle combs of the inner-layer flannelette adopt the polyester fiber, and bottom yarns adopt the spandex fiber; the tension of the terylene during warping is set to be 8cN, and the tension of the spandex is set to be 6 cN; the warping speed of the polyester fiber is 450m/min, and the warping speed of the spandex fiber is 160 m/min; in the weaving process, the drawing density is set between 17.5 courses/cm, the width of a lower machine of the grey cloth is set at 130cm, and the width of the lower machine is set at 17 wales/cm.
b. Dyeing: dyeing the woven grey cloth by using a disperse dye, wherein the addition amount of the disperse dye is 1% (o.w.f), dyeing is started at 45 ℃, the temperature is raised to 120 ℃ by a program of 1 ℃/min, a water flow dye vat is used for dyeing at high temperature, the dyeing time is 60min, the bath ratio is 1:20, and the pH value of a dye bath is 5; reducing and cleaning at 80 ℃, and drying the dyed inner layer flannelette by using a dryer at the drying temperature of 140 ℃.
c. The inner-layer flannelette is subjected to double-sided napping treatment, the speed of a napping machine is 14-16 m/min, the clockwise rotation speed is 300-310 r/min, and the anticlockwise rotation speed is 280-300 r/min.
d. And (3) after finishing: carrying out three times of ironing and two times of shearing on the dyed and dyed grey cloth by adopting a napping machine and an ironing and shearing machine, wherein the ironing roller temperature is 200 ℃, and the cloth feeding speed is 10 m/min; the fabric is polished and sheared; and (3) carrying out reshaping by using a tentering and shaping machine, heating from 160 ℃ to 180 ℃ of shaping temperature at the speed of 5 ℃/min by adopting a temperature program, setting the cloth speed to be 32m/min and setting the tension to be 29.5N.
(3) After-finishing of composite fabric
The fabric is subjected to composite treatment and then is subjected to rolling and softening finishing, the rolling and softening auxiliary agent comprises 1% (o.w.f) of softening agent, 2% (o.w.f) of smoothing agent and 3% (o.w.f) of swelling agent, a double-dipping double-rolling process is adopted during rolling and softening, the soaking temperature is 80 ℃, the soaking time is 40min, and the rolling residual rate is 80%.
The gram weight of the composite fabric is 200g/m2。
Example 2
The difference between example 2 and example 1 is that: the surface layer fabric, the connecting layer and the inner layer flannelette are compounded into a whole by adopting a needling process.
The inner layer flannelette comprises the following yarns in percentage by mass: 95% of polyester fiber and 5% of spandex fiber.
The connecting layer is a net layer formed by carding super absorbent fiber and viscose fiber mixed fiber, the net layer formed by the super absorbent fiber and viscose fiber mixed fiber contains honeysuckle extract, and the addition amount of the honeysuckle extract is 1.5mg/m2And (6) a mesh layer. The honeysuckle extract is commercially available, and the honeysuckle aqueous solution and the viscose fiber pulp are mixed and sprayed into viscose fibers, wherein the viscose fibers contain the honeysuckle extract. And the inside of the meshes is filled with an odor adsorbent. The odor adsorbent is activated carbon particles or diatomite particles.
The mass percentage of the super absorbent fibers and the viscose fibers in the connecting layer is 5%: 95 percent, and the gram weight of the fiber web is 15g/m2And the mesh is 0.01 × 0.01.01 mm.
The processing technology of the composite fabric comprises the following steps:
(1) processing technology of surface fabric;
a. weaving: the method comprises the steps of spinning long-staple cotton fibers with the length of 38-40 mm into yarns with the linear density of 12tex by adopting a compact siro spinning process, and manufacturing the cotton yarns into surface fabrics by adopting a Maya circular knitting machine.
b. Sanding: the process flow of the fabric pretreatment is as follows: grey cloth → sewing head → singeing → cold batch → water washing → drying → tentering → sanding → wool washing → sizing.
Cold batch processThe method comprises the following steps: 32g/L NaOH, 11g/L H2O2The penetrating agent JFC is 2g/L, the scouring agent ZH-11 is 11g/L, the cold pad-batch protective agent FT is 6g/L, and the fabric residual rate is 85%.
The cotton fabric is sanded by a sanding machine, the speed of the machine is 28m/min, the autorotation speed of a sanding roller is 140r/min, and the forward and reverse rotation modes of the sanding roller are three forward and one reverse, so that the cotton fabric is sanded on both sides.
c. Dyeing: carrying out graft modification on the surface fabric of the sized gray fabric by adopting a cationic modifier, wherein the dosage of the cationic modifier is 1-1.5% (o.w.f), the bath ratio is 1:20, 8g/L of caustic soda is added into the fabric at room temperature, the fabric is heated to 90 ℃ for treatment for 60min, and the fabric is washed by water, soaped and dried; dyeing the fabric at high temperature in an airflow cylinder by adopting natural dye, wherein the dye consumption is 3% (o.w.f), the bath ratio is 1:20, the fabric is dyed at 30 ℃, the temperature is raised to 90 ℃ by a program of 2 ℃/min, the temperature is kept for 30min, sodium carbonate is added, the fabric is taken out after the temperature is kept for 30min, and the fabric is washed by water, soaped and dried.
d. And (3) after finishing: and (3) carrying out post-setting treatment on the dyed and finished grey cloth in a stentering setting machine, wherein the setting temperature is 205 ℃, the time is 2min, the width of the cloth outlet is reserved for 2.5cm, and the grey cloth is rolled by a hydraulic rolling car during cropping.
(2) Processing technology of the inner layer flannelette;
a. weaving: weaving 144F/75D polyester fiber and 40D spandex fiber into inner-layer flannelette by using a three-thread warp knitting machine, wherein front combs and middle combs of the inner-layer flannelette adopt the polyester fiber, and bottom yarns adopt the spandex fiber; the tension of the terylene during warping is set to be 10cN, and the tension of the spandex is set to be 8 cN; warping speed of polyester fiber is 500m/min, and warping speed of spandex fiber is 180 m/min; in the weaving process, the drawing density is set between 19 courses/cm, the width of a lower machine of the grey cloth is set at 145cm, and the width of the lower machine is set at 20 wales/cm.
b. Dyeing: dyeing the woven grey cloth by using a disperse dye, wherein the addition amount of the disperse dye is 2% (o.w.f), dyeing is started at 45 ℃, the temperature is raised to 140 ℃ by a program of 1 ℃/min, a water flow dye vat is used for dyeing at high temperature, the dyeing time is 60min, the bath ratio is 1:30, and the pH value of a dye bath is 5-6; reducing and cleaning at 90 ℃, and drying the dyed inner layer flannelette by using a dryer at the drying temperature of 150 ℃.
c. And (3) after finishing: carrying out three times of ironing and two times of shearing on the dyed and finished grey cloth by adopting a napping machine and an ironing and shearing machine, wherein the ironing roller temperature is 210 ℃, and the cloth feeding speed is 12 m/min; the fabric is polished and sheared; and (3) carrying out reshaping by using a tentering and shaping machine, heating from 160 ℃ to 200 ℃ at a speed of 5 ℃/min by using a program, setting the cloth speed to 35m/min and setting the tension to 34N.
(3) Performing needling treatment;
the surface layer fabric and the inner layer flannelette are needled and compounded together by a needling machine with the needling density of 200 needles/square centimeter.
(4) After-finishing of composite fabric
The composite fabric is subjected to needling treatment and then is subjected to rolling and softening finishing, the rolling and softening auxiliary agent comprises 2% (o.w.f) of a softening agent, 2% (o.w.f) of a smoothing agent and 3% (o.w.f) of a bulking agent, a double-dipping and double-rolling process is adopted during rolling and softening, the soaking temperature is 85 ℃, the soaking time is 30min, and the rolling residual rate is 85%.
The gram weight of the composite fabric is 215g/m2。
Example 3
The example 3 differs from the example 1 in that: the surface layer fabric, the connecting layer and the inner layer flannelette are compounded into a whole by adopting a hot pressing process. The connecting layer is a net layer formed by combing super absorbent fibers and viscose mixed fibers, and is integrated with the surface layer fabric and the inner layer flannelette through hot-press bonding under the hot-press process. The net layer formed by mixing the super absorbent fibers and the viscose fibers contains honeysuckle extract, and the addition amount of the honeysuckle extract is 2mg/m2And (6) a mesh layer. The mass percentage of the super absorbent fibers and the viscose fibers in the connecting layer is 15%: 85 percent, and the gram weight of the fiber web is 18g/m2And the mesh is 0.01 × 0.01.01 mm.
The inner layer flannelette comprises the following yarns in percentage by mass: 80-95% of polyester fiber and 5-20% of spandex fiber.
The processing technology of the composite fabric comprises the following steps:
(1) processing technology of surface fabric;
a. weaving: the method comprises the steps of spinning long-staple cotton fibers with the length of 38-40 mm into yarns with the linear density of 18.4tex by adopting a compact siro spinning process, and manufacturing the cotton yarns into surface fabrics by adopting a Maya circular knitting machine.
b. Sanding: the process flow of the fabric pretreatment is as follows: grey cloth → sewing head → singeing → cold batch → water washing → drying → tentering → sanding → wool washing → sizing.
The cold batch process formula comprises: 35g/L NaOH, 12g/L H2O2, 3g/L penetrant JFC, 12g/L scouring agent ZH-11, 10g/L cold pad-batch protective agent FT, and 85% of fabric percent of rolling residue.
The cotton fabric is sanded by a sanding machine, the speed of the machine is 30m/min, the autorotation speed of a sanding roller is 150r/min, and the forward and reverse rotation modes of the sanding roller are three forward and one reverse, so that the cotton fabric is sanded on both sides.
c. Dyeing: carrying out graft modification on the surface fabric of the sized grey cloth by adopting a cationic modifier, wherein the dosage of the cationic modifier is 2% (o.w.f), the bath ratio is 1:30, and 10g/L of caustic soda is added into the fabric at room temperature, heating to 90 ℃, treating for 60min, washing, soaping and drying the fabric; dyeing the fabric at high temperature in an airflow cylinder by adopting natural dye, wherein the dye consumption is 4% (o.w.f), the bath ratio is 1:10, the fabric is dyed at 30 ℃, the temperature is raised to 90 ℃ by a program of 2 ℃/min, the temperature is kept for 30min, sodium carbonate is added, the fabric is taken out after the temperature is kept for 30min, and the fabric is washed by water, soaped and dried.
d. And (3) after finishing: and (3) carrying out post-setting treatment on the dyed and finished grey cloth in a stentering setting machine, wherein the setting temperature is 205 ℃, the time is 1min, the cloth discharging width is reserved for 2.5cm, and a hydraulic rolling car is adopted for rolling during the cloth falling.
(2) Processing technology of the inner layer flannelette;
a. weaving: weaving 144F/75D polyester fiber and 40D spandex fiber into inner-layer flannelette by using a three-thread warp knitting machine, wherein front combs and middle combs of the inner-layer flannelette adopt the polyester fiber, and bottom yarns adopt the spandex fiber; the tension of the terylene during warping is set to be 10cN, and the tension of the spandex is set to be 8 cN; warping speed of polyester fiber is 500m/min, and warping speed of spandex fiber is 180 m/min; in the weaving process, the drawing density is set between 19 courses/cm, the width of a lower machine of the grey cloth is set at 145cm, and the width of the lower machine is set at 20 wales/cm.
b. Dyeing: dyeing the woven grey cloth by using a disperse dye, wherein the addition amount of the disperse dye is 3% (o.w.f), dyeing is started at 45 ℃, the temperature is raised to 140 ℃ by a program of 1 ℃/min, a water flow dye vat is used for dyeing at high temperature, the dyeing time is 60min, the bath ratio is 1:30, and the pH value of a dye bath is 5-6; reducing and cleaning at 90 ℃, and drying the dyed inner layer flannelette by using a dryer at the drying temperature of 140 ℃.
c. And (3) after finishing: carrying out three times of ironing and two times of shearing on the dyed and finished grey cloth by adopting a napping machine and an ironing and shearing machine, wherein the ironing roller temperature is 210 ℃, and the cloth feeding speed is 12 m/min; the fabric is polished and sheared; and (3) carrying out reshaping by using a tentering and shaping machine, heating from 160 ℃ to 200 ℃ at a speed of 5 ℃/min by using a program, setting the cloth speed to be 32m/min and setting the tension to be 34N.
(3) After-finishing of composite fabric
The fabric is subjected to composite treatment and then is subjected to rolling and softening finishing, the rolling and softening auxiliary agent comprises 3% (o.w.f) of a softening agent, 2.5% (o.w.f) of a smoothing agent, 4% (o.w.f) of a swelling agent, 0.5% (o.w.f) of a chrysanthemum extract and 1.5% (o.w.f) of an aloe extract, a two-dipping two-rolling process is adopted during rolling and softening, the soaking temperature is 60 ℃, the soaking time is 60min, and the rolling residual rate is 90%.
The gram weight of the composite fabric is 218g/m2。
The bursting strength of the marble is tested by referring to GB/T19976-2005 'determination of bursting strength of textile marble'. And testing the fuzzing and pilling resistance grade, the washing size change rate and the gram mass by referring to GB/T22848-2009 knitted finished cloth. Refer to FZ/T73023-2006 bacteriostatic knitwear test sample. Thermal resistance testing is carried out according to the standards of GB 6529-86 Standard atmosphere for debugging and experiments of textiles and GB/T11048-2008 measuring thermal resistance and wet resistance of textiles under the steady-state condition of physiological comfort. The test results of various performance indexes of the fabric are shown in table 1, and the test results of the antibacterial performance of the fabric are shown in table 2.
Table 1 test results of various performance indexes of fabric
Figure BDA0001665142160000121
As can be seen from Table 1, the fabric of the invention has excellent pilling resistance and small change of washing size. The thermal resistance value is an important index for reflecting the heat-insulating property of the fabric, and the larger the thermal resistance value is, the better the heat-insulating property is. The fabric has excellent heat preservation effect and is suitable for being used as high-grade underwear fabric and home textile fabric.
TABLE 2 antibacterial Effect (%) of the Fabric
Figure BDA0001665142160000131
According to the table 2, the honeysuckle has a good bacteriostatic function, the bacteriostatic effect of the fabric added with the honeysuckle meets the standard requirement, after the chrysanthemum and the aloe extract are subjected to post-finishing, the bacteriostatic effect of the fabric is remarkably enhanced, the honeysuckle extract has good bacteriostatic activity on staphylococcus aureus and escherichia coli, the chrysanthemum extract and the aloe extract have the strongest bacteriostatic action on candida albicans, and the honeysuckle extract, the chrysanthemum extract and the aloe extract have a certain synergistic effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (4)

1. A warm-keeping suede composite fabric is characterized by comprising a surface layer fabric, a connecting layer and an inner layer flannelette; the surface fabric is spun into yarns by adopting long stapled cotton fibers, and the yarns are woven into the surface fabric by adopting a Maya big round machine; the inner layer flannelette is formed by weaving a blended spinning yarn composed of spandex fibers and polyester fibers into the inner layer flannelette by a three-thread warp knitting machine; the connecting layer is a net layer formed by carding super absorbent fibers and viscose mixed fibers, and the surface fabric, the connecting layer and the inner layer flannelette are integrated into a whole by adopting a needling process; the super absorbent fiber and the viscose fiber are mixed to form a net layer containingThe honeysuckle extract is added in an amount of 1-2 mg/m2The fiber net is filled with an odor adsorbent;
the processing technology of the composite fabric comprises the following steps:
(1) processing technology of surface fabric;
a. weaving: spinning the long-staple cotton fiber with the length of 38-40 mm into yarn with the linear density of 9.5-18.4 tex by adopting a compact siro spinning process, and manufacturing the cotton yarn into surface fabric by adopting a Maya circular knitting machine;
b. sanding: sanding cotton fabrics by using a sanding machine, wherein the speed of the machine is 25-30 m/min, the rotation speed of a sanding roller is 120-150 r/min, and the forward and reverse rotation modes of the sanding roller are three forward and one reverse, so that the cotton fabrics are sanded on both sides;
c. dyeing: carrying out graft modification on the surface fabric by adopting a cationic modifier, wherein the dosage of the cationic modifier is 1-2% o.w.f, the bath ratio is 1: 20-30, and 7-10 g/L of caustic soda is added into the fabric at room temperature, heating to 90 ℃, treating for 50-60 min, washing, soaping and drying the fabric; dyeing the fabric at high temperature in an airflow cylinder by adopting natural dye, wherein the use amount of the dye is 2-4% o.w.f, the bath ratio is 1: 10-20, the fabric is dyed at 30 ℃, the temperature is raised to 90 ℃ by a program of 2 ℃/min, the temperature is kept for 30min, soda is added, the fabric is taken out after the temperature is kept for 30min, and the fabric is washed by water, soaped and dried;
d. and (3) after finishing: carrying out post-setting treatment on the dyed and finished grey cloth in a stentering setting machine, wherein the setting temperature is 200-205 ℃, the time is 1-2 min, the width of a cloth outlet is reserved for 2-2.5 cm, and a hydraulic rolling car is adopted for rolling when the cloth is dropped;
(2) processing technology of the inner layer flannelette;
a. weaving: weaving 144F/75D polyester fiber and 40D spandex fiber into inner-layer flannelette by using a three-thread warp knitting machine, wherein front combs and middle combs of the inner-layer flannelette adopt the polyester fiber, and bottom yarns adopt the spandex fiber; setting the tension to be 8-10 cN during warping of terylene, and setting the tension of spandex to be 6-8 cN; warping speed of the polyester fiber is 450-500 m/min, and warping speed of the spandex fiber is 160-180 m/min; in the weaving process, the drawing density is set between 17.5 to 19 courses/cm, the width of a grey cloth machine is set between 130 to 145cm, and the width of the grey cloth machine is set between 17 to 20 wales/cm;
b. dyeing: dyeing the woven grey cloth by using a disperse dye, wherein the addition amount of the disperse dye is 1-3% o.w.f, dyeing is started at 45 ℃, the temperature is increased to 120-140 ℃ by a program of 1 ℃/min, a water flow dye vat is used for dyeing at high temperature, the dyeing time is 60min, the bath ratio is 1: 20-30, and the pH value of a dyeing bath is 5-6; reducing and cleaning at 80-90 ℃, and drying the dyed inner layer flannelette by using a dryer at the drying temperature of 140-150 ℃;
c. and (3) after finishing: the inner-layer flannelette is subjected to two-sided napping treatment, the speed of a napping machine is 14-16 m/min, the clockwise rotation speed is 300-310 r/min, and the anticlockwise rotation speed is 280-300 r/min; carrying out three times of ironing and two times of shearing on the dyed and finished grey cloth by adopting a napping machine and an ironing and shearing machine, wherein the ironing roller temperature is 200-210 ℃, and the cloth feeding speed is 10-12 m/min; the fabric is polished and sheared; performing secondary setting by using a tentering setting machine, heating from 160 ℃ at a speed of 5 ℃/min to 180-200 ℃ by using a program, setting the cloth speed to be 32-35 m/min, and setting the tension to be 29.5-34N;
(3) performing needling treatment;
the surface fabric, the connecting layer and the inner layer flannelette are needle-punched and compounded together by a needle machine with the needle-punching density of 200-300 needles/square centimeter; the composite fabric is subjected to needling treatment and then is subjected to rolling and softening finishing, the rolling and softening auxiliary agent comprises 1-3% o.w.f of a softening agent, 2-2.5% o.w.f of a smoothing agent, 3-4% o.w.f of a bulking agent, 0.5-2% o.w.f of a chrysanthemum extract and 1-3% o.w.f of an aloe extract, a two-dipping two-rolling process is adopted during rolling and softening, the soaking temperature is 60-90 ℃, the soaking time is 30-60 min, and the rolling residual rate is 80-90%.
2. A warm-keeping napped composite fabric as claimed in claim 1, characterised in that the mass percentage of superabsorbent fibres to viscose fibres in the connecting layer is 5-15%: 85-95%, and the gram weight of the fiber web is 15-20 g/m2And the aperture of the mesh is 0.01 × 0.01.01 mm.
3. The warm-keeping suede composite fabric according to claim 1, wherein the yarns in the inner layer lint comprise the following components in percentage by mass: 80-95% of polyester fiber and 5-20% of spandex fiber; the type of the polyester fiber is 144F/75D, and the type of the spandex fiber is 40D.
4. A warm-keeping suede composite fabric as claimed in claim 1, wherein the gram weight of the composite fabric is 200-220 g/m2。
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